FRONTIER BA157-LFR

Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998
FAX: (805) 522-9989
E-mail: [email protected]
Web: http://www.frontierusa.com
1A FAST RECOVERY PLASTIC RECTIFIER
BA157-LFR THRU BA159-LFR
FEATURES
z FOR USE IN HIGH FREQUENCY RECTIFIER CIRCUITS
z PLASTIC PACKAGE HAS UNDERWRITERS LABORATORY
FLAMMABILITY CLASSIFICATION 94 V-0
z FAST SWITCHING FOR HIGH EFFICIENCY
z LEAD FREE
1.0(25.4)
MIN
.034(0.9)
.028(0.7)
MECHANICAL DATA
z CASE: MOLDED PLASTIC CASE, DO41, DIMENSIONS IN
INCHES AND (MILLIMETERS)
z TERMINAL: AXIAL LEADS, SOLDERABLE PER MIL-STD202, METHOD 208
z POLARITY: COLOR BAND DENOTES CATHODE
z MOUNTING POSITION: ANY
z WEIGHT: 0.34 GRAM
.205(5.2)
.166(4.2)
.107(2.7)
.080(2.0)
1.0(25.4)
MIN
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS
OTHERWISE SPECIFIED SINGLE PHASE, HALF WAVE, 60 HZ, RESISTIVE OR INDUCTIVE LOAD. FOR CAPACITIVE LOAD,
DERATE CURRENT BY 20%
SYMBOL
BA157-LFR
BA158-LFR
BA159-LFR
UNITS
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
MAXIMUM DC BLOCKING VOLTAGE
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
0.375”(9.5mm) LEAD LENGTH AT TA=55°C
PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF
SINE-WAVE SUPERIMPOSED ON RATED LOAD
TYPICAL JUNCTION CAPACITANCE (NOTE 1)
RATINGS
VRRM
VRMS
VDC
400
280
400
600
420
600
1000
700
1000
V
V
V
CJ
15
PF
TYPICAL THERMAL RESISTANCE (NOTE 2)
Rθja
50
°C/W
STORAGE TEMPERATURE RANGE
TSTG
- 55 TO + 150
°C
OPERATING TEMPERATURE RANGE
TOP
- 55 TO + 150
°C
IO
1.0
A
IFSM
35
A
ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED)
CHARACTERISTICS
SYMBOL
BA157-LFR
BA158-LFR
BA159-LFR
UNITS
MAXIMUM FORWARD VOLTAGE AT IO DC
VF
1.3
V
MAXIMUM REVERSE CURRENT AT 25°C
IR
5
μA
MAXIMUM REVERSE CURRENT AT 100°C
IR
50
MAXIMUM REVERSE RECOVERY TIME (NOTE 3)
TRR
150
NOTE:
1. MEASURED AT 1 MHZ AND APPLIED REVERSE VOLTAGE 0F 4.0 VOLTS
2. BOTH LEADS ATTACHED TO HEAT SINK 20x20x1t (mm) COPPER PLATE AT LEAD LENGTH 5mm
3. REVERSE RECOVERY TEST CONDITIONS: IF=0.5A, IR=1.0A, IRR=0.25A
BA157-LFR THRU BA159-LFR
μA
250
Page: 1
nS
RATINGS AND CHARACTERISTICS CURVES BA157-LFR THRU BA159-LFR
FIG. 1 -TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
Trr
10Ω
NO INDUCTIVE
10Ω
NO INDUCTIVE
+0.5A
0
(-)
D.U.T.
-0.25A
PULSE
GENERATOR
(NOTE 2)
(+)
25 Vdc
(Approx)
1Ω
NON
INDUCTIVE
(-)
OSCILLOSCOPE
(NOTE 1)
-1.0A
(+)
1cm
SET TIME BASE
FOR 10/20 ns/cm
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
Fig. 3-MAXIMUM FORWARD SURGE
NUMBER OF CYCLES
SINGLE PHASE HALF
WAVE 60Hz
RESISTIVE OR
INDUCTIVE LOAD
1.0
0.8
0.6
0.4
0.2
0
0
20
40
60
80
PEAK FORWARD SURGE CURRENT
AMPERES
Io-AVERAGE RECTIFIED
CURRENT (A)
Fig. 2-MAXIMUM CURRENT DERATING CURVE
35
TA=150oC
Pulse Width= 8.3ms
20
10
1.0 CYCLE
0
100 120 140 160 180 200
1
10
100
NUMBER OF CYCLES AT 60 HZ
TA-AMBIENT TEMPERATURE (OC)
FIG. 5-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
10
0
TJ=100oC
10
1.0
0.1
TJ=25oC
01
0
20
40
60
80
100
120 140
INSTANTANEOUS FORWARD
CURRENT (A)
INSTANTANEOUS REVERSE
CURRENT, MICROAMPERES
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
1.0
0.1
Tj=25oC
PULSE WIDTH =300us
1% DUTY CYCLE
.01
0.4
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
BA157-LFR THRU BA159-LFR
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
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